Downy mildew is a ravenous disease that has affected local basil the past few years and this summer moved on to impatiens with a vengeance.
These impatiens are just starting to yellow and curl their leaves downward. There is formation of downy mildew spores on the undersides of the leaves.
The undersides of these yellowed, down-curled impatiens leaves show spores of white downy mildew.
This landscape is planted with three impatiens that have dropped all their leaves due to downy mildew.
These impatiens have dropped all of their leaves due to downy mildew.